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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-23 16:38:03 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-23 16:38:03 -0700
commita7aed1c2dc4939d1d61285c738ad32700d791692 (patch)
treea64cda4c4dd29137a09f06a8c1d5db7cd20e7da5 /arch
parent1212663fba7c5e003e05d24f043d5ed57eb18b24 (diff)
parent1b82ba6e47c13ee369a4808f72d003499f8c7920 (diff)
Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86
* ssh://master.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: (35 commits) x86: Add HPET force support for MCP55 (nForce 5) chipsets x86: Force enable HPET for CK804 (nForce 4) chipsets x86: clean up setup.h and the boot code x86: Save registers in saved_context during suspend and hibernation x86: merge setup_32/64.h x86: merge signal_32/64.h x86: merge required-features.h x86: merge sigcontext_32/64.h x86: merge msr_32/64.h x86: merge mttr_32/64.h x86: merge statfs_32/64.h x86: merge stat_32/64.h x86: merge shmbuf_32/64.h x86: merge ptrace_32/64.h x86: merge msgbuf_32/64.h x86: merge elf_32/64.h x86: merge byteorder_32/64.h x86: whitespace cleanup of mce_64.c x86: consolidate the cpu/ related code usage x86: prepare consolidation of cpu/ related code usage ...
Diffstat (limited to 'arch')
-rw-r--r--arch/i386/Kconfig2
-rw-r--r--arch/i386/Makefile6
-rw-r--r--arch/x86/boot/boot.h2
-rw-r--r--arch/x86/boot/compressed/relocs.c6
-rw-r--r--arch/x86/boot/main.c2
-rw-r--r--arch/x86/crypto/Makefile20
-rw-r--r--arch/x86/crypto/Makefile_3212
-rw-r--r--arch/x86/crypto/Makefile_6412
-rw-r--r--arch/x86/kernel/Makefile_322
-rw-r--r--arch/x86/kernel/Makefile_6419
-rw-r--r--arch/x86/kernel/acpi/Makefile10
-rw-r--r--arch/x86/kernel/acpi/Makefile_327
-rw-r--r--arch/x86/kernel/acpi/Makefile_647
-rw-r--r--arch/x86/kernel/acpi/wakeup_64.S101
-rw-r--r--arch/x86/kernel/apic_64.c14
-rw-r--r--arch/x86/kernel/asm-offsets_64.c28
-rw-r--r--arch/x86/kernel/cpu/Makefile24
-rw-r--r--arch/x86/kernel/cpu/mcheck/Makefile8
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce_32.c (renamed from arch/x86/kernel/cpu/mcheck/mce.c)0
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce_64.c (renamed from arch/x86/kernel/mce_64.c)164
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce_amd_64.c (renamed from arch/x86/kernel/mce_amd_64.c)0
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce_intel_64.c (renamed from arch/x86/kernel/mce_intel_64.c)0
-rw-r--r--arch/x86/kernel/crash.c (renamed from arch/x86/kernel/crash_32.c)11
-rw-r--r--arch/x86/kernel/crash_64.c135
-rw-r--r--arch/x86/kernel/head_32.S7
-rw-r--r--arch/x86/kernel/quirks.c55
-rw-r--r--arch/x86/kernel/smpboot_64.c2
-rw-r--r--arch/x86/kernel/suspend_64.c6
-rw-r--r--arch/x86/kernel/suspend_asm_64.S72
-rw-r--r--arch/x86/kernel/tsc_32.c39
-rw-r--r--arch/x86/oprofile/Kconfig17
-rw-r--r--arch/x86_64/Kconfig2
-rw-r--r--arch/x86_64/Makefile6
33 files changed, 368 insertions, 430 deletions
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index 5bed8be34ba5..b4437ce0f973 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -1270,6 +1270,8 @@ source "drivers/Kconfig"
source "fs/Kconfig"
+source "kernel/Kconfig.instrumentation"
+
source "arch/i386/Kconfig.debug"
source "security/Kconfig"
diff --git a/arch/i386/Makefile b/arch/i386/Makefile
index b81cb64d48e5..f5b9a37def8b 100644
--- a/arch/i386/Makefile
+++ b/arch/i386/Makefile
@@ -20,6 +20,12 @@
# Fill in SRCARCH
SRCARCH := x86
+# BITS is used as extension for files which are available in a 32 bit
+# and a 64 bit version to simplify shared Makefiles.
+# e.g.: obj-y += foo_$(BITS).o
+BITS := 32
+export BITS
+
HAS_BIARCH := $(call cc-option-yn, -m32)
ifeq ($(HAS_BIARCH),y)
AS := $(AS) --32
diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h
index 20bab9431acb..5f9a2e72a731 100644
--- a/arch/x86/boot/boot.h
+++ b/arch/x86/boot/boot.h
@@ -23,7 +23,7 @@
#include <linux/types.h>
#include <linux/edd.h>
#include <asm/boot.h>
-#include <asm/bootparam.h>
+#include <asm/setup.h>
/* Useful macros */
#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
diff --git a/arch/x86/boot/compressed/relocs.c b/arch/x86/boot/compressed/relocs.c
index 2d77ee728f92..7a0d00b2cf28 100644
--- a/arch/x86/boot/compressed/relocs.c
+++ b/arch/x86/boot/compressed/relocs.c
@@ -38,11 +38,9 @@ static const char* safe_abs_relocs[] = {
static int is_safe_abs_reloc(const char* sym_name)
{
- int i, array_size;
-
- array_size = sizeof(safe_abs_relocs)/sizeof(char*);
+ int i;
- for(i = 0; i < array_size; i++) {
+ for(i = 0; i < ARRAY_SIZE(safe_abs_relocs); i++) {
if (!strcmp(sym_name, safe_abs_relocs[i]))
/* Match found */
return 1;
diff --git a/arch/x86/boot/main.c b/arch/x86/boot/main.c
index 0eeef3989a17..1f95750ede28 100644
--- a/arch/x86/boot/main.c
+++ b/arch/x86/boot/main.c
@@ -26,8 +26,6 @@ char *heap_end = _end; /* Default end of heap = no heap */
* screws up the old-style command line protocol, adjust by
* filling in the new-style command line pointer instead.
*/
-#define OLD_CL_MAGIC 0xA33F
-#define OLD_CL_ADDRESS 0x20
static void copy_boot_params(void)
{
diff --git a/arch/x86/crypto/Makefile b/arch/x86/crypto/Makefile
index 18dcdc6fb7aa..46bb609e2444 100644
--- a/arch/x86/crypto/Makefile
+++ b/arch/x86/crypto/Makefile
@@ -1,5 +1,15 @@
-ifeq ($(CONFIG_X86_32),y)
-include ${srctree}/arch/x86/crypto/Makefile_32
-else
-include ${srctree}/arch/x86/crypto/Makefile_64
-endif
+#
+# Arch-specific CryptoAPI modules.
+#
+
+obj-$(CONFIG_CRYPTO_AES_586) += aes-i586.o
+obj-$(CONFIG_CRYPTO_TWOFISH_586) += twofish-i586.o
+
+obj-$(CONFIG_CRYPTO_AES_X86_64) += aes-x86_64.o
+obj-$(CONFIG_CRYPTO_TWOFISH_X86_64) += twofish-x86_64.o
+
+aes-i586-y := aes-i586-asm_32.o aes_32.o
+twofish-i586-y := twofish-i586-asm_32.o twofish_32.o
+
+aes-x86_64-y := aes-x86_64-asm_64.o aes_64.o
+twofish-x86_64-y := twofish-x86_64-asm_64.o twofish_64.o
diff --git a/arch/x86/crypto/Makefile_32 b/arch/x86/crypto/Makefile_32
deleted file mode 100644
index 2d873a2388ed..000000000000
--- a/arch/x86/crypto/Makefile_32
+++ /dev/null
@@ -1,12 +0,0 @@
-#
-# x86/crypto/Makefile
-#
-# Arch-specific CryptoAPI modules.
-#
-
-obj-$(CONFIG_CRYPTO_AES_586) += aes-i586.o
-obj-$(CONFIG_CRYPTO_TWOFISH_586) += twofish-i586.o
-
-aes-i586-y := aes-i586-asm_32.o aes_32.o
-twofish-i586-y := twofish-i586-asm_32.o twofish_32.o
-
diff --git a/arch/x86/crypto/Makefile_64 b/arch/x86/crypto/Makefile_64
deleted file mode 100644
index b40896276e93..000000000000
--- a/arch/x86/crypto/Makefile_64
+++ /dev/null
@@ -1,12 +0,0 @@
-#
-# x86/crypto/Makefile
-#
-# Arch-specific CryptoAPI modules.
-#
-
-obj-$(CONFIG_CRYPTO_AES_X86_64) += aes-x86_64.o
-obj-$(CONFIG_CRYPTO_TWOFISH_X86_64) += twofish-x86_64.o
-
-aes-x86_64-y := aes-x86_64-asm_64.o aes_64.o
-twofish-x86_64-y := twofish-x86_64-asm_64.o twofish_64.o
-
diff --git a/arch/x86/kernel/Makefile_32 b/arch/x86/kernel/Makefile_32
index ccea590bbb92..b9d679820306 100644
--- a/arch/x86/kernel/Makefile_32
+++ b/arch/x86/kernel/Makefile_32
@@ -26,7 +26,7 @@ obj-$(CONFIG_X86_MPPARSE) += mpparse_32.o
obj-$(CONFIG_X86_LOCAL_APIC) += apic_32.o nmi_32.o
obj-$(CONFIG_X86_IO_APIC) += io_apic_32.o
obj-$(CONFIG_X86_REBOOTFIXUPS) += reboot_fixups_32.o
-obj-$(CONFIG_KEXEC) += machine_kexec_32.o relocate_kernel_32.o crash_32.o
+obj-$(CONFIG_KEXEC) += machine_kexec_32.o relocate_kernel_32.o crash.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump_32.o
obj-$(CONFIG_X86_NUMAQ) += numaq_32.o
obj-$(CONFIG_X86_SUMMIT_NUMA) += summit_32.o
diff --git a/arch/x86/kernel/Makefile_64 b/arch/x86/kernel/Makefile_64
index dec06e769281..466337ae9a1e 100644
--- a/arch/x86/kernel/Makefile_64
+++ b/arch/x86/kernel/Makefile_64
@@ -9,25 +9,21 @@ obj-y := process_64.o signal_64.o entry_64.o traps_64.o irq_64.o \
x8664_ksyms_64.o i387_64.o syscall_64.o vsyscall_64.o \
setup64.o bootflag.o e820_64.o reboot_64.o quirks.o i8237.o \
pci-dma_64.o pci-nommu_64.o alternative.o hpet.o tsc_64.o bugs_64.o \
- perfctr-watchdog.o i8253.o
+ i8253.o
obj-$(CONFIG_STACKTRACE) += stacktrace.o
-obj-$(CONFIG_X86_MCE) += mce_64.o therm_throt.o
-obj-$(CONFIG_X86_MCE_INTEL) += mce_intel_64.o
-obj-$(CONFIG_X86_MCE_AMD) += mce_amd_64.o
-obj-$(CONFIG_MTRR) += cpu/mtrr/
-obj-$(CONFIG_ACPI) += acpi/
+obj-y += cpu/
+obj-y += acpi/
obj-$(CONFIG_X86_MSR) += msr.o
obj-$(CONFIG_MICROCODE) += microcode.o
obj-$(CONFIG_X86_CPUID) += cpuid.o
obj-$(CONFIG_SMP) += smp_64.o smpboot_64.o trampoline_64.o tsc_sync.o
obj-y += apic_64.o nmi_64.o
obj-y += io_apic_64.o mpparse_64.o genapic_64.o genapic_flat_64.o
-obj-$(CONFIG_KEXEC) += machine_kexec_64.o relocate_kernel_64.o crash_64.o
+obj-$(CONFIG_KEXEC) += machine_kexec_64.o relocate_kernel_64.o crash.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump_64.o
obj-$(CONFIG_PM) += suspend_64.o
obj-$(CONFIG_HIBERNATION) += suspend_asm_64.o
-obj-$(CONFIG_CPU_FREQ) += cpu/cpufreq/
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-$(CONFIG_IOMMU) += pci-gart_64.o aperture_64.o
obj-$(CONFIG_CALGARY_IOMMU) += pci-calgary_64.o tce_64.o
@@ -42,13 +38,6 @@ obj-$(CONFIG_MODULES) += module_64.o
obj-$(CONFIG_PCI) += early-quirks.o
obj-y += topology.o
-obj-y += intel_cacheinfo.o
-obj-y += addon_cpuid_features.o
obj-y += pcspeaker.o
CFLAGS_vsyscall_64.o := $(PROFILING) -g0
-
-therm_throt-y += cpu/mcheck/therm_throt.o
-intel_cacheinfo-y += cpu/intel_cacheinfo.o
-addon_cpuid_features-y += cpu/addon_cpuid_features.o
-perfctr-watchdog-y += cpu/perfctr-watchdog.o
diff --git a/arch/x86/kernel/acpi/Makefile b/arch/x86/kernel/acpi/Makefile
index 3d5671939542..1351c3982ee4 100644
--- a/arch/x86/kernel/acpi/Makefile
+++ b/arch/x86/kernel/acpi/Makefile
@@ -1,5 +1,7 @@
-ifeq ($(CONFIG_X86_32),y)
-include ${srctree}/arch/x86/kernel/acpi/Makefile_32
-else
-include ${srctree}/arch/x86/kernel/acpi/Makefile_64
+obj-$(CONFIG_ACPI) += boot.o
+obj-$(CONFIG_ACPI_SLEEP) += sleep_$(BITS).o wakeup_$(BITS).o
+
+ifneq ($(CONFIG_ACPI_PROCESSOR),)
+obj-y += cstate.o processor.o
endif
+
diff --git a/arch/x86/kernel/acpi/Makefile_32 b/arch/x86/kernel/acpi/Makefile_32
deleted file mode 100644
index 045dd54b33e0..000000000000
--- a/arch/x86/kernel/acpi/Makefile_32
+++ /dev/null
@@ -1,7 +0,0 @@
-obj-$(CONFIG_ACPI) += boot.o
-obj-$(CONFIG_ACPI_SLEEP) += sleep_32.o wakeup_32.o
-
-ifneq ($(CONFIG_ACPI_PROCESSOR),)
-obj-y += cstate.o processor.o
-endif
-
diff --git a/arch/x86/kernel/acpi/Makefile_64 b/arch/x86/kernel/acpi/Makefile_64
deleted file mode 100644
index 629425bc002d..000000000000
--- a/arch/x86/kernel/acpi/Makefile_64
+++ /dev/null
@@ -1,7 +0,0 @@
-obj-y := boot.o
-obj-$(CONFIG_ACPI_SLEEP) += sleep_64.o wakeup_64.o
-
-ifneq ($(CONFIG_ACPI_PROCESSOR),)
-obj-y += processor.o cstate.o
-endif
-
diff --git a/arch/x86/kernel/acpi/wakeup_64.S b/arch/x86/kernel/acpi/wakeup_64.S
index 55608ec2ed72..5ed3bc5c61d7 100644
--- a/arch/x86/kernel/acpi/wakeup_64.S
+++ b/arch/x86/kernel/acpi/wakeup_64.S
@@ -4,6 +4,7 @@
#include <asm/pgtable.h>
#include <asm/page.h>
#include <asm/msr.h>
+#include <asm/asm-offsets.h>
# Copyright 2003 Pavel Machek <pavel@suse.cz>, distribute under GPLv2
#
@@ -342,31 +343,32 @@ do_suspend_lowlevel:
xorl %eax, %eax
call save_processor_state
- movq %rsp, saved_context_esp(%rip)
- movq %rax, saved_context_eax(%rip)
- movq %rbx, saved_context_ebx(%rip)
- movq %rcx, saved_context_ecx(%rip)
- movq %rdx, saved_context_edx(%rip)
- movq %rbp, saved_context_ebp(%rip)
- movq %rsi, saved_context_esi(%rip)
- movq %rdi, saved_context_edi(%rip)
- movq %r8, saved_context_r08(%rip)
- movq %r9, saved_context_r09(%rip)
- movq %r10, saved_context_r10(%rip)
- movq %r11, saved_context_r11(%rip)
- movq %r12, saved_context_r12(%rip)
- movq %r13, saved_context_r13(%rip)
- movq %r14, saved_context_r14(%rip)
- movq %r15, saved_context_r15(%rip)
- pushfq ; popq saved_context_eflags(%rip)
+ movq $saved_context, %rax
+ movq %rsp, pt_regs_rsp(%rax)
+ movq %rbp, pt_regs_rbp(%rax)
+ movq %rsi, pt_regs_rsi(%rax)
+ movq %rdi, pt_regs_rdi(%rax)
+ movq %rbx, pt_regs_rbx(%rax)
+ movq %rcx, pt_regs_rcx(%rax)
+ movq %rdx, pt_regs_rdx(%rax)
+ movq %r8, pt_regs_r8(%rax)
+ movq %r9, pt_regs_r9(%rax)
+ movq %r10, pt_regs_r10(%rax)
+ movq %r11, pt_regs_r11(%rax)
+ movq %r12, pt_regs_r12(%rax)
+ movq %r13, pt_regs_r13(%rax)
+ movq %r14, pt_regs_r14(%rax)
+ movq %r15, pt_regs_r15(%rax)
+ pushfq
+ popq pt_regs_eflags(%rax)
movq $.L97, saved_rip(%rip)
- movq %rsp,saved_rsp
- movq %rbp,saved_rbp
- movq %rbx,saved_rbx
- movq %rdi,saved_rdi
- movq %rsi,saved_rsi
+ movq %rsp, saved_rsp
+ movq %rbp, saved_rbp
+ movq %rbx, saved_rbx
+ movq %rdi, saved_rdi
+ movq %rsi, saved_rsi
addq $8, %rsp
movl $3, %edi
@@ -377,32 +379,35 @@ do_suspend_lowlevel:
.L99:
.align 4
movl $24, %eax
- movw %ax, %ds
- movq saved_context+58(%rip), %rax
- movq %rax, %cr4
- movq saved_context+50(%rip), %rax
- movq %rax, %cr3
- movq saved_context+42(%rip), %rax
- movq %rax, %cr2
- movq saved_context+34(%rip), %rax
- movq %rax, %cr0
- pushq saved_context_eflags(%rip) ; popfq
- movq saved_context_esp(%rip), %rsp
- movq saved_context_ebp(%rip), %rbp
- movq saved_context_eax(%rip), %rax
- movq saved_context_ebx(%rip), %rbx
- movq saved_context_ecx(%rip), %rcx
- movq saved_context_edx(%rip), %rdx
- movq saved_context_esi(%rip), %rsi
- movq saved_context_edi(%rip), %rdi
- movq saved_context_r08(%rip), %r8
- movq saved_context_r09(%rip), %r9
- movq saved_context_r10(%rip), %r10
- movq saved_context_r11(%rip), %r11
- movq saved_context_r12(%rip), %r12
- movq saved_context_r13(%rip), %r13
- movq saved_context_r14(%rip), %r14
- movq saved_context_r15(%rip), %r15
+ movw %ax, %ds
+
+ /* We don't restore %rax, it must be 0 anyway */
+ movq $saved_context, %rax
+ movq saved_context_cr4(%rax), %rbx
+ movq %rbx, %cr4
+ movq saved_context_cr3(%rax), %rbx
+ movq %rbx, %cr3
+ movq saved_context_cr2(%rax), %rbx
+ movq %rbx, %cr2
+ movq saved_context_cr0(%rax), %rbx
+ movq %rbx, %cr0
+ pushq pt_regs_eflags(%rax)
+ popfq
+ movq pt_regs_rsp(%rax), %rsp
+ movq pt_regs_rbp(%rax), %rbp
+ movq pt_regs_rsi(%rax), %rsi
+ movq pt_regs_rdi(%rax), %rdi
+ movq pt_regs_rbx(%rax), %rbx
+ movq pt_regs_rcx(%rax), %rcx
+ movq pt_regs_rdx(%rax), %rdx
+ movq pt_regs_r8(%rax), %r8
+ movq pt_regs_r9(%rax), %r9
+ movq pt_regs_r10(%rax), %r10
+ movq pt_regs_r11(%rax), %r11
+ movq pt_regs_r12(%rax), %r12
+ movq pt_regs_r13(%rax), %r13
+ movq pt_regs_r14(%rax), %r14
+ movq pt_regs_r15(%rax), %r15
xorl %eax, %eax
addq $8, %rsp
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index f47bc493dba9..f28ccb588fba 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -287,6 +287,20 @@ void disable_local_APIC(void)
apic_write(APIC_SPIV, value);
}
+void lapic_shutdown(void)
+{
+ unsigned long flags;
+
+ if (!cpu_has_apic)
+ return;
+
+ local_irq_save(flags);
+
+ disable_local_APIC();
+
+ local_irq_restore(flags);
+}
+
/*
* This is to verify that we're looking at a real local APIC.
* Check these against your board if the CPUs aren't getting
diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c
index 778953bc636c..7e50bda565b4 100644
--- a/arch/x86/kernel/asm-offsets_64.c
+++ b/arch/x86/kernel/asm-offsets_64.c
@@ -76,6 +76,34 @@ int main(void)
DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address));
DEFINE(pbe_next, offsetof(struct pbe, next));
BLANK();
+#define ENTRY(entry) DEFINE(pt_regs_ ## entry, offsetof(struct pt_regs, entry))
+ ENTRY(rbx);
+ ENTRY(rbx);
+ ENTRY(rcx);
+ ENTRY(rdx);
+ ENTRY(rsp);
+ ENTRY(rbp);
+ ENTRY(rsi);
+ ENTRY(rdi);
+ ENTRY(r8);
+ ENTRY(r9);
+ ENTRY(r10);
+ ENTRY(r11);
+ ENTRY(r12);
+ ENTRY(r13);
+ ENTRY(r14);
+ ENTRY(r15);
+ ENTRY(eflags);
+ BLANK();
+#undef ENTRY
+#define ENTRY(entry) DEFINE(saved_context_ ## entry, offsetof(struct saved_context, entry))
+ ENTRY(cr0);
+ ENTRY(cr2);
+ ENTRY(cr3);
+ ENTRY(cr4);
+ ENTRY(cr8);
+ BLANK();
+#undef ENTRY
DEFINE(TSS_ist, offsetof(struct tss_struct, ist));
BLANK();
DEFINE(crypto_tfm_ctx_offset, offsetof(struct crypto_tfm, __crt_ctx));
diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
index 778396c78d65..cfdb2f3bd763 100644
--- a/arch/x86/kernel/cpu/Makefile
+++ b/arch/x86/kernel/cpu/Makefile
@@ -2,19 +2,19 @@
# Makefile for x86-compatible CPU details and quirks
#
-obj-y := common.o proc.o bugs.o
+obj-y := intel_cacheinfo.o addon_cpuid_features.o
-obj-y += amd.o
-obj-y += cyrix.o
-obj-y += centaur.o
-obj-y += transmeta.o
-obj-y += intel.o intel_cacheinfo.o addon_cpuid_features.o
-obj-y += nexgen.o
-obj-y += umc.o
+obj-$(CONFIG_X86_32) += common.o proc.o bugs.o
+obj-$(CONFIG_X86_32) += amd.o
+obj-$(CONFIG_X86_32) += cyrix.o
+obj-$(CONFIG_X86_32) += centaur.o
+obj-$(CONFIG_X86_32) += transmeta.o
+obj-$(CONFIG_X86_32) += intel.o
+obj-$(CONFIG_X86_32) += nexgen.o
+obj-$(CONFIG_X86_32) += umc.o
-obj-$(CONFIG_X86_MCE) += mcheck/
-
-obj-$(CONFIG_MTRR) += mtrr/
-obj-$(CONFIG_CPU_FREQ) += cpufreq/
+obj-$(CONFIG_X86_MCE) += mcheck/
+obj-$(CONFIG_MTRR) += mtrr/
+obj-$(CONFIG_CPU_FREQ) += cpufreq/
obj-$(CONFIG_X86_LOCAL_APIC) += perfctr-watchdog.o
diff --git a/arch/x86/kernel/cpu/mcheck/Makefile b/arch/x86/kernel/cpu/mcheck/Makefile
index f1ebe1c1c17a..d7d2323bbb69 100644
--- a/arch/x86/kernel/cpu/mcheck/Makefile
+++ b/arch/x86/kernel/cpu/mcheck/Makefile
@@ -1,2 +1,6 @@
-obj-y = mce.o k7.o p4.o p5.o p6.o winchip.o therm_throt.o
-obj-$(CONFIG_X86_MCE_NONFATAL) += non-fatal.o
+obj-y = mce_$(BITS).o therm_throt.o
+
+obj-$(CONFIG_X86_32) += k7.o p4.o p5.o p6.o winchip.o
+obj-$(CONFIG_X86_MCE_INTEL) += mce_intel_64.o
+obj-$(CONFIG_X86_MCE_AMD) += mce_amd_64.o
+obj-$(CONFIG_X86_MCE_NONFATAL) += non-fatal.o
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce_32.c
index 34c781eddee4..34c781eddee4 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_32.c
diff --git a/arch/x86/kernel/mce_64.c b/arch/x86/kernel/cpu/mcheck/mce_64.c
index 07bbfe7aa7f7..b9f802e35209 100644
--- a/arch/x86/kernel/mce_64.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_64.c
@@ -1,8 +1,8 @@
/*
* Machine check handler.
* K8 parts Copyright 2002,2003 Andi Kleen, SuSE Labs.
- * Rest from unknown author(s).
- * 2004 Andi Kleen. Rewrote most of it.
+ * Rest from unknown author(s).
+ * 2004 Andi Kleen. Rewrote most of it.
*/
#include <linux/init.h>
@@ -23,7 +23,7 @@
#include <linux/ctype.h>
#include <linux/kmod.h>
#include <linux/kdebug.h>
-#include <asm/processor.h>
+#include <asm/processor.h>
#include <asm/msr.h>
#include <asm/mce.h>
#include <asm/uaccess.h>
@@ -63,10 +63,10 @@ static DECLARE_WAIT_QUEUE_HEAD(mce_wait);
* separate MCEs from kernel messages to avoid bogus bug reports.
*/
-struct mce_log mcelog = {
+struct mce_log mcelog = {
MCE_LOG_SIGNATURE,
MCE_LOG_LEN,
-};
+};
void mce_log(struct mce *mce)
{
@@ -111,42 +111,42 @@ static void print_mce(struct mce *m)
"CPU %d: Machine Check Exception: %16Lx Bank %d: %016Lx\n",
m->cpu, m->mcgstatus, m->bank, m->status);
if (m->rip) {
- printk(KERN_EMERG
- "RIP%s %02x:<%016Lx> ",
+ printk(KERN_EMERG "RIP%s %02x:<%016Lx> ",
!(m->mcgstatus & MCG_STATUS_EIPV) ? " !INEXACT!" : "",
m->cs, m->rip);
if (m->cs == __KERNEL_CS)
print_symbol("{%s}", m->rip);
printk("\n");
}
- printk(KERN_EMERG "TSC %Lx ", m->tsc);
+ printk(KERN_EMERG "TSC %Lx ", m->tsc);
if (m->addr)
printk("ADDR %Lx ", m->addr);
if (m->misc)
- printk("MISC %Lx ", m->misc);
+ printk("MISC %Lx ", m->misc);
printk("\n");
printk(KERN_EMERG "This is not a software problem!\n");
- printk(KERN_EMERG
- "Run through mcelog --ascii to decode and contact your hardware vendor\n");
+ printk(KERN_EMERG "Run through mcelog --ascii to decode "
+ "and contact your hardware vendor\n");
}
static void mce_panic(char *msg, struct mce *backup, unsigned long start)
-{
+{
int i;
oops_begin();
for (i = 0; i < MCE_LOG_LEN; i++) {
unsigned long tsc = mcelog.entry[i].tsc;
+
if (time_before(tsc, start))
continue;
- print_mce(&mcelog.entry[i]);
+ print_mce(&mcelog.entry[i]);
if (backup && mcelog.entry[i].tsc == backup->tsc)
backup = NULL;
}
if (backup)
print_mce(backup);
panic(msg);
-}
+}
static int mce_available(struct cpuinfo_x86 *c)
{
@@ -170,10 +170,9 @@ static inline void mce_get_rip(struct mce *m, struct pt_regs *regs)
}
}
-/*
+/*
* The actual machine check handler
*/
-
void do_machine_check(struct pt_regs * regs, long error_code)
{
struct mce m, panicm;
@@ -194,7 +193,8 @@ void do_machine_check(struct pt_regs * regs, long error_code)
atomic_inc(&mce_entry);
if (regs)
- notify_die(DIE_NMI, "machine check", regs, error_code, 18, SIGKILL);
+ notify_die(DIE_NMI, "machine check", regs, error_code, 18,
+ SIGKILL);
if (!banks)
goto out2;
@@ -204,15 +204,15 @@ void do_machine_check(struct pt_regs * regs, long error_code)
/* if the restart IP is not valid, we're done for */
if (!(m.mcgstatus & MCG_STATUS_RIPV))
no_way_out = 1;
-
+
rdtscll(mcestart);
barrier();
for (i = 0; i < banks; i++) {
if (!bank[i])
continue;
-
- m.misc = 0;
+
+ m.misc = 0;
m.addr = 0;
m.bank = i;
m.tsc = 0;
@@ -372,7 +372,7 @@ static void mcheck_timer(struct work_struct *work)
if (mce_notify_user()) {
next_interval = max(next_interval/2, HZ/100);
} else {
- next_interval = min(next_interval*2,
+ next_interval = min(next_interval * 2,
(int)round_jiffies_relative(check_interval*HZ));
}
@@ -423,18 +423,18 @@ static struct notifier_block mce_idle_notifier = {
};
static __init int periodic_mcheck_init(void)
-{
+{
next_interval = check_interval * HZ;
if (next_interval)
schedule_delayed_work(&mcheck_work,
round_jiffies_relative(next_interval));
idle_notifier_register(&mce_idle_notifier);
return 0;
-}
+}
__initcall(periodic_mcheck_init);
-/*
+/*
* Initialize Machine Checks for a CPU.
*/
static void mce_init(void *dummy)
@@ -444,9 +444,9 @@ static void mce_init(void *dummy)
rdmsrl(MSR_IA32_MCG_CAP, cap);
banks = cap & 0xff;
- if (banks > NR_BANKS) {
+ if (banks > NR_BANKS) {
printk(KERN_INFO "MCE: warning: using only %d banks\n", banks);
- banks = NR_BANKS;
+ banks = NR_BANKS;
}
/* Use accurate RIP reporting if available. */
if ((cap & (1<<9)) && ((cap >> 16) & 0xff) >= 9)
@@ -464,15 +464,15 @@ static void mce_init(void *dummy)
for (i = 0; i < banks; i++) {
wrmsrl(MSR_IA32_MC0_CTL+4*i, bank[i]);
wrmsrl(MSR_IA32_MC0_STATUS+4*i, 0);
- }
+ }
}
/* Add per CPU specific workarounds here */
static void __cpuinit mce_cpu_quirks(struct cpuinfo_x86 *c)
-{
+{
/* This should be disabled by the BIOS, but isn't always */
if (c->x86_vendor == X86_VENDOR_AMD && c->x86 == 15) {
- /* disable GART TBL walk error reporting, which trips off
+ /* disable GART TBL walk error reporting, which trips off
incorrectly with the IOMMU & 3ware & Cerberus. */
clear_bit(10, &bank[4]);
/* Lots of broken BIOS around that don't clear them
@@ -480,7 +480,7 @@ static void __cpuinit mce_cpu_quirks(struct cpuinfo_x86 *c)
mce_bootlog = 0;
}
-}
+}
static void __cpuinit mce_cpu_features(struct cpuinfo_x86 *c)
{
@@ -496,15 +496,15 @@ static void __cpuinit mce_cpu_features(struct cpuinfo_x86 *c)
}
}
-/*
+/*
* Called for each booted CPU to set up machine checks.
- * Must be called with preempt off.
+ * Must be called with preempt off.
*/
void __cpuinit mcheck_init(struct cpuinfo_x86 *c)
{
static cpumask_t mce_cpus = CPU_MASK_NONE;
- mce_cpu_quirks(c);
+ mce_cpu_quirks(c);
if (mce_dont_init ||
cpu_test_and_set(smp_processor_id(), mce_cpus) ||
@@ -553,13 +553,15 @@ static int mce_release(struct inode *inode, struct file *file)
return 0;
}
-static void collect_tscs(void *data)
-{
+static void collect_tscs(void *data)
+{
unsigned long *cpu_tsc = (unsigned long *)data;
+
rdtscll(cpu_tsc[smp_processor_id()]);
-}
+}
-static ssize_t mce_read(struct file *filp, char __user *ubuf, size_t usize, loff_t *off)
+static ssize_t mce_read(struct file *filp, char __user *ubuf, size_t usize,
+ loff_t *off)
{
unsigned long *cpu_tsc;
static DECLARE_MUTEX(mce_read_sem);
@@ -571,19 +573,20 @@ static ssize_t mce_read(struct file *filp, char __user *ubuf, size_t usize, loff
if (!cpu_tsc)
return -ENOMEM;
- down(&mce_read_sem);
+ down(&mce_read_sem);
next = rcu_dereference(mcelog.next);
/* Only supports full reads right now */
- if (*off != 0 || usize < MCE_LOG_LEN*sizeof(struct mce)) {
+ if (*off != 0 || usize < MCE_LOG_LEN*sizeof(struct mce)) {
up(&mce_read_sem);
kfree(cpu_tsc);
return -EINVAL;
}
err = 0;
- for (i = 0; i < next; i++) {
+ for (i = 0; i < next; i++) {
unsigned long start = jiffies;
+
while (!mcelog.entry[i].finished) {
if (time_after_eq(jiffies, start + 2)) {
memset(mcelog.entry + i,0, sizeof(struct mce));
@@ -593,31 +596,34 @@ static ssize_t mce_read(struct file *filp, char __user *ubuf, size_t usize, loff
}
smp_rmb();
err |= copy_to_user(buf, mcelog.entry + i, sizeof(struct mce));
- buf += sizeof(struct mce);
+ buf += sizeof(struct mce);
timeout:
;
- }
+ }
memset(mcelog.entry, 0, next * sizeof(struct mce));
mcelog.next = 0;
synchronize_sched();
- /* Collect entries that were still getting written before the synchronize. */
-
+ /*
+ * Collect entries that were still getting written before the
+ * synchronize.
+ */
on_each_cpu(collect_tscs, cpu_tsc, 1, 1);
- for (i = next; i < MCE_LOG_LEN; i++) {
- if (mcelog.entry[i].finished &&
- mcelog.entry[i].tsc < cpu_tsc[mcelog.entry[i].cpu]) {
- err |= copy_to_user(buf, mcelog.entry+i, sizeof(struct mce));
+ for (i = next; i < MCE_LOG_LEN; i++) {
+ if (mcelog.entry[i].finished &&
+ mcelog.entry[i].tsc < cpu_tsc[mcelog.entry[i].cpu]) {
+ err |= copy_to_user(buf, mcelog.entry+i,
+ sizeof(struct mce));
smp_rmb();
buf += sizeof(struct mce);
memset(&mcelog.entry[i], 0, sizeof(struct mce));
}
- }
+ }
up(&mce_read_sem);
kfree(cpu_tsc);
- return err ? -EFAULT : buf - ubuf;
+ return err ? -EFAULT : buf - ubuf;
}
static unsigned int mce_poll(struct file *file, poll_table *wait)
@@ -628,26 +634,29 @@ static unsigned int mce_poll(struct file *file, poll_table *wait)
return 0;
}
-static int mce_ioctl(struct inode *i, struct file *f,unsigned int cmd, unsigned long arg)
+static int mce_ioctl(struct inode *i, struct file *f,unsigned int cmd,
+ unsigned long arg)
{
int __user *p = (int __user *)arg;
+
if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
+ return -EPERM;
switch (cmd) {
- case MCE_GET_RECORD_LEN:
+ case MCE_GET_RECORD_LEN:
return put_user(sizeof(struct mce), p);
case MCE_GET_LOG_LEN:
- return put_user(MCE_LOG_LEN, p);
+ return put_user(MCE_LOG_LEN, p);
case MCE_GETCLEAR_FLAGS: {
unsigned flags;
- do {
+
+ do {
flags = mcelog.flags;
- } while (cmpxchg(&mcelog.flags, flags, 0) != flags);
- return put_user(flags, p);
+ } while (cmpxchg(&mcelog.flags, flags, 0) != flags);
+ return put_user(flags, p);
}
default:
- return -ENOTTY;
- }
+ return -ENOTTY;
+ }
}
static const struct file_operations mce_chrdev_ops = {
@@ -678,10 +687,9 @@ void __init restart_mce(void)
set_in_cr4(X86_CR4_MCE);
}
-/*
- * Old style boot options parsing. Only for compatibility.
+/*
+ * Old style boot options parsing. Only for compatibility.
*/
-
static int __init mcheck_disable(char *str)
{
mce_dont_init = 1;
@@ -702,16 +710,16 @@ static int __init mcheck_enable(char *str)
else if (isdigit(str[0]))
get_option(&str, &tolerant);
else
- printk("mce= argument %s ignored. Please use /sys", str);
+ printk("mce= argument %s ignored. Please use /sys", str);
return 1;
}
__setup("nomce", mcheck_disable);
__setup("mce=", mcheck_enable);
-/*
+/*
* Sysfs support
- */
+ */
/* On resume clear all MCE state. Don't want to see leftovers from the BIOS.
Only one CPU is active at this time, the others get readded later using
@@ -723,12 +731,12 @@ static int mce_resume(struct sys_device *dev)
}
/* Reinit MCEs after user configuration changes */
-static void mce_restart(void)
-{
+static void mce_restart(void)
+{
if (next_interval)
cancel_delayed_work(&mcheck_work);
/* Timer race is harmless here */
- on_each_cpu(mce_init, NULL, 1, 1);
+ on_each_cpu(mce_init, NULL, 1, 1);
next_interval = check_interval * HZ;
if (next_interval)
schedule_delayed_work(&mcheck_work,
@@ -744,17 +752,17 @@ DEFINE_PER_CPU(struct sys_device, device_mce);
/* Why are there no generic functions for this? */
#define ACCESSOR(name, var, start) \
- static ssize_t show_ ## name(struct sys_device *s, char *buf) { \
- return sprintf(buf, "%lx\n", (unsigned long)var); \
- } \
+ static ssize_t show_ ## name(struct sys_device *s, char *buf) { \
+ return sprintf(buf, "%lx\n", (unsigned long)var); \
+ } \
static ssize_t set_ ## name(struct sys_device *s,const char *buf,size_t siz) { \
- char *end; \
- unsigned long new = simple_strtoul(buf, &end, 0); \
- if (end == buf) return -EINVAL; \
- var = new; \
- start; \
- return end-buf; \
- } \
+ char *end; \
+ unsigned long new = simple_strtoul(buf, &end, 0); \
+ if (end == buf) return -EINVAL; \
+ var = new; \
+ start; \
+ return end-buf; \
+ } \
static SYSDEV_ATTR(name, 0644, show_ ## name, set_ ## name);
/* TBD should generate these dynamically based on number of available banks */
diff --git a/arch/x86/kernel/mce_amd_64.c b/arch/x86/kernel/cpu/mcheck/mce_amd_64.c
index 752fb16a817d..752fb16a817d 100644
--- a/arch/x86/kernel/mce_amd_64.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd_64.c
diff --git a/arch/x86/kernel/mce_intel_64.c b/arch/x86/kernel/cpu/mcheck/mce_intel_64.c
index c17eaf5dd6dd..c17eaf5dd6dd 100644
--- a/arch/x86/kernel/mce_intel_64.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_intel_64.c
diff --git a/arch/x86/kernel/crash_32.c b/arch/x86/kernel/crash.c
index 53589d1b1a05..af0253f94a9a 100644
--- a/arch/x86/kernel/crash_32.c
+++ b/arch/x86/kernel/crash.c
@@ -1,5 +1,5 @@
/*
- * Architecture specific (i386) functions for kexec based crash dumps.
+ * Architecture specific (i386/x86_64) functions for kexec based crash dumps.
*
* Created by: Hariprasad Nellitheertha (hari@in.ibm.com)
*
@@ -25,8 +25,11 @@
#include <linux/kdebug.h>
#include <asm/smp.h>
+#ifdef X86_32
#include <mach_ipi.h>
-
+#else
+#include <asm/mach_apic.h>
+#endif
/* This keeps a track of which one is crashing cpu. */
static int crashing_cpu;
@@ -38,7 +41,9 @@ static int crash_nmi_callback(struct notifier_block *self,
unsigned long val, void *data)
{
struct pt_regs *regs;
+#ifdef X86_32
struct pt_regs fixed_regs;
+#endif
int cpu;
if (val != DIE_NMI_IPI)
@@ -55,10 +60,12 @@ static int crash_nmi_callback(struct notifier_block *self,
return NOTIFY_STOP;
local_irq_disable();
+#ifdef X86_32
if (!user_mode_vm(regs)) {
crash_fixup_ss_esp(&fixed_regs, regs);
regs = &fixed_regs;
}
+#endif
crash_save_cpu(regs, cpu);
disable_local_APIC();
atomic_dec(&waiting_for_crash_ipi);
diff --git a/arch/x86/kernel/crash_64.c b/arch/x86/kernel/crash_64.c
deleted file mode 100644
index 13432a1ae904..000000000000
--- a/arch/x86/kernel/crash_64.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * Architecture specific (x86_64) functions for kexec based crash dumps.
- *
- * Created by: Hariprasad Nellitheertha (hari@in.ibm.com)
- *
- * Copyright (C) IBM Corporation, 2004. All rights reserved.
- *
- */
-
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/smp.h>
-#include <linux/irq.h>
-#include <linux/reboot.h>
-#include <linux/kexec.h>
-#include <linux/delay.h>
-#include <linux/elf.h>
-#include <linux/elfcore.h>
-#include <linux/kdebug.h>
-
-#include <asm/processor.h>
-#include <asm/hardirq.h>
-#include <asm/nmi.h>
-#include <asm/hw_irq.h>
-#include <asm/mach_apic.h>
-
-/* This keeps a track of which one is crashing cpu. */
-static int crashing_cpu;
-
-#ifdef CONFIG_SMP
-static atomic_t waiting_for_crash_ipi;
-
-static int crash_nmi_callback(struct notifier_block *self,
- unsigned long val, void *data)
-{
- struct pt_regs *regs;
- int cpu;
-
- if (val != DIE_NMI_IPI)
- return NOTIFY_OK;
-
- regs = ((struct die_args *)data)->regs;
- cpu = raw_smp_processor_id();
-
- /*
- * Don't do anything if this handler is invoked on crashing cpu.
- * Otherwise, system will completely hang. Crashing cpu can get
- * an NMI if system was initially booted with nmi_watchdog parameter.
- */
- if (cpu == crashing_cpu)
- return NOTIFY_STOP;
- local_irq_disable();
-
- crash_save_cpu(regs, cpu);
- disable_local_APIC();
- atomic_dec(&waiting_for_crash_ipi);
- /* Assume hlt works */
- for(;;)
- halt();
-
- return 1;
-}
-
-static void smp_send_nmi_allbutself(void)
-{
- send_IPI_allbutself(NMI_VECTOR);
-}
-
-/*
- * This code is a best effort heuristic to get the
- * other cpus to stop executing. So races with
- * cpu hotplug shouldn't matter.
- */
-
-static struct notifier_block crash_nmi_nb = {
- .notifier_call = crash_nmi_callback,
-};
-
-static void nmi_shootdown_cpus(void)
-{
- unsigned long msecs;
-
- atomic_set(&waiting_for_crash_ipi, num_online_cpus() - 1);
- if (register_die_notifier(&crash_nmi_nb))
- return; /* return what? */
-
- /*
- * Ensure the new callback function is set before sending
- * out the NMI
- */
- wmb();
-
- smp_send_nmi_allbutself();
-
- msecs = 1000; /* Wait at most a second for the other cpus to stop */
- while ((atomic_read(&waiting_for_crash_ipi) > 0) && msecs) {
- mdelay(1);
- msecs--;
- }
- /* Leave the nmi callback set */
- disable_local_APIC();
-}
-#else
-static void nmi_shootdown_cpus(void)
-{
- /* There are no cpus to shootdown */
-}
-#endif
-
-void machine_crash_shutdown(struct pt_regs *regs)
-{
- /*
- * This function is only called after the system
- * has panicked or is otherwise in a critical state.
- * The minimum amount of code to allow a kexec'd kernel
- * to run successfully needs to happen here.
- *
- * In practice this means shooting down the other cpus in
- * an SMP system.
- */
- /* The kernel is broken so disable interrupts */
- local_irq_disable();
-
- /* Make a note of crashing cpu. Will be used in NMI callback.*/
- crashing_cpu = smp_processor_id();
- nmi_shootdown_cpus();
-
- if(cpu_has_apic)
- disable_local_APIC();
-
- disable_IO_APIC();
-
- crash_save_cpu(regs, smp_processor_id());
-}
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index 00b1c2c56454..374b7ece8961 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -124,12 +124,7 @@ ENTRY(startup_32)
movsl
movl boot_params - __PAGE_OFFSET + NEW_CL_POINTER,%esi
andl %esi,%esi
- jnz 2f # New command line protocol
- cmpw $(OLD_CL_MAGIC),OLD_CL_MAGIC_ADDR
- jne 1f
- movzwl OLD_CL_OFFSET,%esi
- addl $(OLD_CL_BASE_ADDR),%esi
-2:
+ jz 1f # No comand line
movl $(boot_command_line - __PAGE_OFFSET),%edi
movl $(COMMAND_LINE_SIZE/4),%ecx
rep
diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c
index a4ce1911efdf..fab30e134836 100644
--- a/arch/x86/kernel/quirks.c
+++ b/arch/x86/kernel/quirks.c
@@ -60,7 +60,8 @@ static enum {
NONE_FORCE_HPET_RESUME,
OLD_ICH_FORCE_HPET_RESUME,
ICH_FORCE_HPET_RESUME,
- VT8237_FORCE_HPET_RESUME
+ VT8237_FORCE_HPET_RESUME,
+ NVIDIA_FORCE_HPET_RESUME,
} force_hpet_resume_type;
static void __iomem *rcba_base;
@@ -321,6 +322,55 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8235,
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237,
vt8237_force_enable_hpet);
+/*
+ * Undocumented chipset feature taken from LinuxBIOS.
+ */
+static void nvidia_force_hpet_resume(void)
+{
+ pci_write_config_dword(cached_dev, 0x44, 0xfed00001);
+ printk(KERN_DEBUG "Force enabled HPET at resume\n");
+}
+
+static void nvidia_force_enable_hpet(struct pci_dev *dev)
+{
+ u32 uninitialized_var(val);
+
+ if (!hpet_force_user || hpet_address || force_hpet_address)
+ return;
+
+ pci_write_config_dword(dev, 0x44, 0xfed00001);
+ pci_read_config_dword(dev, 0x44, &val);
+ force_hpet_address = val & 0xfffffffe;
+ force_hpet_resume_type = NVIDIA_FORCE_HPET_RESUME;
+ printk(KERN_DEBUG "Force enabled HPET at base address 0x%lx\n",
+ force_hpet_address);
+ cached_dev = dev;
+ return;
+}
+
+/* ISA Bridges */
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0050,
+ nvidia_force_enable_hpet);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0051,
+ nvidia_force_enable_hpet);
+
+/* LPC bridges */
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0360,
+ nvidia_force_enable_hpet);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0361,
+ nvidia_force_enable_hpet);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0362,
+ nvidia_force_enable_hpet);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0363,
+ nvidia_force_enable_hpet);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0364,
+ nvidia_force_enable_hpet);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0365,
+ nvidia_force_enable_hpet);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0366,
+ nvidia_force_enable_hpet);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0367,
+ nvidia_force_enable_hpet);
void force_hpet_resume(void)
{
@@ -334,6 +384,9 @@ void force_hpet_resume(void)
case VT8237_FORCE_HPET_RESUME:
return vt8237_force_hpet_resume();
+ case NVIDIA_FORCE_HPET_RESUME:
+ return nvidia_force_hpet_resume();
+
default:
break;
}
diff --git a/arch/x86/kernel/smpboot_64.c b/arch/x86/kernel/smpboot_64.c
index b7e768dd87c9..500670c93d81 100644
--- a/arch/x86/kernel/smpboot_64.c
+++ b/arch/x86/kernel/smpboot_64.c
@@ -388,7 +388,7 @@ static void inquire_remote_apic(int apicid)
printk(KERN_INFO "Inquiring remote APIC #%d...\n", apicid);
- for (i = 0; i < sizeof(regs) / sizeof(*regs); i++) {
+ for (i = 0; i < ARRAY_SIZE(regs); i++) {
printk("... APIC #%d %s: ", apicid, names[i]);
/*
diff --git a/arch/x86/kernel/suspend_64.c b/arch/x86/kernel/suspend_64.c
index bc9f59c246fd..db284ef44d53 100644
--- a/arch/x86/kernel/suspend_64.c
+++ b/arch/x86/kernel/suspend_64.c
@@ -19,12 +19,6 @@ extern const void __nosave_begin, __nosave_end;
struct saved_context saved_context;
-unsigned long saved_context_eax, saved_context_ebx, saved_context_ecx, saved_context_edx;
-unsigned long saved_context_esp, saved_context_ebp, saved_context_esi, saved_context_edi;
-unsigned long saved_context_r08, saved_context_r09, saved_context_r10, saved_context_r11;
-unsigned long saved_context_r12, saved_context_r13, saved_context_r14, saved_context_r15;
-unsigned long saved_context_eflags;
-
void __save_processor_state(struct saved_context *ctxt)
{
kernel_fpu_begin();
diff --git a/arch/x86/kernel/suspend_asm_64.S b/arch/x86/kernel/suspend_asm_64.S
index 48344b666d2c..72f952103e50 100644
--- a/arch/x86/kernel/suspend_asm_64.S
+++ b/arch/x86/kernel/suspend_asm_64.S
@@ -17,24 +17,24 @@
#include <asm/asm-offsets.h>
ENTRY(swsusp_arch_suspend)
-
- movq %rsp, saved_context_esp(%rip)
- movq %rax, saved_context_eax(%rip)
- movq %rbx, saved_context_ebx(%rip)
- movq %rcx, saved_context_ecx(%rip)
- movq %rdx, saved_context_edx(%rip)
- movq %rbp, saved_context_ebp(%rip)
- movq %rsi, saved_context_esi(%rip)
- movq %rdi, saved_context_edi(%rip)
- movq %r8, saved_context_r08(%rip)
- movq %r9, saved_context_r09(%rip)
- movq %r10, saved_context_r10(%rip)
- movq %r11, saved_context_r11(%rip)
- movq %r12, saved_context_r12(%rip)
- movq %r13, saved_context_r13(%rip)
- movq %r14, saved_context_r14(%rip)
- movq %r15, saved_context_r15(%rip)
- pushfq ; popq saved_context_eflags(%rip)
+ movq $saved_context, %rax
+ movq %rsp, pt_regs_rsp(%rax)
+ movq %rbp, pt_regs_rbp(%rax)
+ movq %rsi, pt_regs_rsi(%rax)
+ movq %rdi, pt_regs_rdi(%rax)
+ movq %rbx, pt_regs_rbx(%rax)
+ movq %rcx, pt_regs_rcx(%rax)
+ movq %rdx, pt_regs_rdx(%rax)
+ movq %r8, pt_regs_r8(%rax)
+ movq %r9, pt_regs_r9(%rax)
+ movq %r10, pt_regs_r10(%rax)
+ movq %r11, pt_regs_r11(%rax)
+ movq %r12, pt_regs_r12(%rax)
+ movq %r13, pt_regs_r13(%rax)
+ movq %r14, pt_regs_r14(%rax)
+ movq %r15, pt_regs_r15(%rax)
+ pushfq
+ popq pt_regs_eflags(%rax)
/* save the address of restore_registers */
movq $restore_registers, %rax
@@ -113,23 +113,25 @@ ENTRY(restore_registers)
movq %rcx, %cr3
movq %rax, %cr4; # turn PGE back on
- movq saved_context_esp(%rip), %rsp
- movq saved_context_ebp(%rip), %rbp
- /* restore GPRs (we don't restore %rax, it must be 0 anyway) */
- movq saved_context_ebx(%rip), %rbx
- movq saved_context_ecx(%rip), %rcx
- movq saved_context_edx(%rip), %rdx
- movq saved_context_esi(%rip), %rsi
- movq saved_context_edi(%rip), %rdi
- movq saved_context_r08(%rip), %r8
- movq saved_context_r09(%rip), %r9
- movq saved_context_r10(%rip), %r10
- movq saved_context_r11(%rip), %r11
- movq saved_context_r12(%rip), %r12
- movq saved_context_r13(%rip), %r13
- movq saved_context_r14(%rip), %r14
- movq saved_context_r15(%rip), %r15
- pushq saved_context_eflags(%rip) ; popfq
+ /* We don't restore %rax, it must be 0 anyway */
+ movq $saved_context, %rax
+ movq pt_regs_rsp(%rax), %rsp
+ movq pt_regs_rbp(%rax), %rbp
+ movq pt_regs_rsi(%rax), %rsi
+ movq pt_regs_rdi(%rax), %rdi
+ movq pt_regs_rbx(%rax), %rbx
+ movq pt_regs_rcx(%rax), %rcx
+ movq pt_regs_rdx(%rax), %rdx
+ movq pt_regs_r8(%rax), %r8
+ movq pt_regs_r9(%rax), %r9
+ movq pt_regs_r10(%rax), %r10
+ movq pt_regs_r11(%rax), %r11
+ movq pt_regs_r12(%rax), %r12
+ movq pt_regs_r13(%rax), %r13
+ movq pt_regs_r14(%rax), %r14
+ movq pt_regs_r15(%rax), %r15
+ pushq pt_regs_eflags(%rax)
+ popfq
xorq %rax, %rax
diff --git a/arch/x86/kernel/tsc_32.c b/arch/x86/kernel/tsc_32.c
index d78444c788a3..9ebc0dab66b4 100644
--- a/arch/x86/kernel/tsc_32.c
+++ b/arch/x86/kernel/tsc_32.c
@@ -131,38 +131,43 @@ unsigned long native_calculate_cpu_khz(void)
{
unsigned long long start, end;
unsigned long count;
- u64 delta64;
+ u64 delta64 = (u64)ULLONG_MAX;
int i;
unsigned long flags;
local_irq_save(flags);
- /* run 3 times to ensure the cache is warm */
+ /* run 3 times to ensure the cache is warm and to get an accurate reading */
for (i = 0; i < 3; i++) {
mach_prepare_counter();
rdtscll(start);
mach_countup(&count);
rdtscll(end);
- }
- /*
- * Error: ECTCNEVERSET
- * The CTC wasn't reliable: we got a hit on the very first read,
- * or the CPU was so fast/slow that the quotient wouldn't fit in
- * 32 bits..
- */
- if (count <= 1)
- goto err;
- delta64 = end - start;
+ /*
+ * Error: ECTCNEVERSET
+ * The CTC wasn't reliable: we got a hit on the very first read,
+ * or the CPU was so fast/slow that the quotient wouldn't fit in
+ * 32 bits..
+ */
+ if (count <= 1)
+ continue;
+
+ /* cpu freq too slow: */
+ if ((end - start) <= CALIBRATE_TIME_MSEC)
+ continue;
+
+ /*
+ * We want the minimum time of all runs in case one of them
+ * is inaccurate due to SMI or other delay
+ */
+ delta64 = min(delta64, (end - start));
+ }
- /* cpu freq too fast: */
+ /* cpu freq too fast (or every run was bad): */
if (delta64 > (1ULL<<32))
goto err;
- /* cpu freq too slow: */
- if (delta64 <= CALIBRATE_TIME_MSEC)
- goto err;
-
delta64 += CALIBRATE_TIME_MSEC/2; /* round for do_div */
do_div(delta64,CALIBRATE_TIME_MSEC);
diff --git a/arch/x86/oprofile/Kconfig b/arch/x86/oprofile/Kconfig
deleted file mode 100644
index d8a84088471a..000000000000
--- a/arch/x86/oprofile/Kconfig
+++ /dev/null
@@ -1,17 +0,0 @@
-config PROFILING
- bool "Profiling support (EXPERIMENTAL)"
- help
- Say Y here to enable the extended profiling support mechanisms used
- by profilers such as OProfile.
-
-
-config OPROFILE
- tristate "OProfile system profiling (EXPERIMENTAL)"
- depends on PROFILING
- help
- OProfile is a profiling system capable of profiling the
- whole system, include the kernel, kernel modules, libraries,
- and applications.
-
- If unsure, say N.
-
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index c2d24991bb2b..308970aa5382 100644
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -833,6 +833,8 @@ source "drivers/firmware/Kconfig"
source fs/Kconfig
+source "kernel/Kconfig.instrumentation"
+
source "arch/x86_64/Kconfig.debug"
source "security/Kconfig"
diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile
index 6d89ab762ffc..20eb69bd5a6d 100644
--- a/arch/x86_64/Makefile
+++ b/arch/x86_64/Makefile
@@ -24,6 +24,12 @@
# Fill in SRCARCH
SRCARCH := x86
+# BITS is used as extension for files which are available in a 32 bit
+# and a 64 bit version to simplify shared Makefiles.
+# e.g.: obj-y += foo_$(BITS).o
+BITS := 64
+export BITS
+
LDFLAGS := -m elf_x86_64
OBJCOPYFLAGS := -O binary -R .note -R .comment -S
LDFLAGS_vmlinux :=